655948849556 has 48 divisors (see below), whose sum is σ = 1541250453120. Its totient is φ = 235905678720.

The previous prime is 655948849553. The next prime is 655948849571.

655948849556 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655948849553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81907691 + ... + 81915698.

It is an arithmetic number, because the mean of its divisors is an integer number (32109384440).

Almost surely, 2^655948849556 is an apocalyptic number.

It is an amenable number.

655948849556 is an abundant number, since it is smaller than the sum of its proper divisors (885301603564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

655948849556 is a wasteful number, since it uses less digits than its factorization.

655948849556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163823424 (or 163823422 counting only the distinct ones).

The product of its digits is 1866240000, while the sum is 74.

The spelling of 655948849556 in words is "six hundred fifty-five billion, nine hundred forty-eight million, eight hundred forty-nine thousand, five hundred fifty-six".